Almost all aspect of life are engineered at the molecular level, and without understanding molecules we can only have a very sketchy understanding of life itself...

There was no need to do any housework 
at all. After the first four years the dirt doesn`t
get any worse...

My song is love unknown,
My saviour`s love for me,
Love to the loveless shown,
That they might lovely be.
O, who am I,
That for my sake
My Lord should take
Frail flesh and die ?